And the example is, as you all know, that Facebook founder and CEO Mark Zuckerberg. We all know that he made the Facebook in one year when he was 18. But we don't know that he was learning to code since when he was at the age of eleven. And the last example is Lauren Musk. He was interested in space engineering but he don't have any knowledge about space engineering. So he just read the books about the space engineering and Rockets